remove perf log, unrelated file and so on

colossalai/zero/gemini/chunk/manager.py

@@ -83,7 +83,7 @@ class ChunkManager:
             if chunk_group:
                 # the chunk group is not empty
                 # close the last chunk
-                self.__close_one_chunk(chunk_group[-1])  # chunk[-1] 满了，所以关闭，不能再添加，然后同时scatter到ZeRO PG中
+                self.__close_one_chunk(chunk_group[-1])
 
             if tensor.numel() > chunk_size:
                 chunk_size = tensor.numel()

colossalai/zero/gemini/gemini_hook.py

@@ -33,7 +33,7 @@ class GeminiZeROHook(ColoParamOpHook):
         all_chunks = self._chunk_manager.get_chunks(params)
 
         # wait for prefetched chunks, filter those are not prefetched
-        chunks_fetch_sync = self._gemini_manager.wait_chunks(all_chunks)  # 当前要fetch的chunk
+        chunks_fetch_sync = self._gemini_manager.wait_chunks(all_chunks)
 
         # transfer state
         for p in params:

colossalai/zero/gemini/gemini_mgr.py

@@ -125,7 +125,7 @@ class GeminiManager:
                 self._async_works[chunk].wait()
                 del self._async_works[chunk]
             else:
-                non_prefetched_chunks.append(chunk)  # 没在之前prefetch过，现在要prefetch的chunk
+                non_prefetched_chunks.append(chunk)
         return tuple(non_prefetched_chunks)
 
     def add_work(self, chunk: Chunk, work: dist.Work):

colossalai/zero/gemini/placement_policy.py

@@ -113,10 +113,8 @@ class StaticPlacementPolicy(PlacementPolicy):
     def get_prefetch_chunks(self) -> List[Chunk]:
         if self.gemini_manager.is_warmup():  # no prefetch during warmup since we need compute_list
             return []
-        # 最多有多少个异步的work
         can_prefetch = self.max_prefetch - len(self.gemini_manager._async_works)
         prefetch = []
-        # static炸就炸了，dynamic可能需要我们要先分析当前运行时的内存情况，分配空间或者淘汰块
         for i in range(self.gemini_manager.compute_idx + 1, len(self.gemini_manager.compute_list)):
             for chunk in self.gemini_manager.compute_list[i]:
                 if len(prefetch) >= can_prefetch: